Then put the link to the game thread in the first post of your registration thread, and -the link to your registration thread in the first post of your game thread.If your game thread has many areas, the links to those should also be in the first post

You can play in any open gameYou will need character registration in any apply marked gameYou can not join in any games marked private, but of course you can make them

You can play in more than one thread at a time, asuming a time difference, except during short missions, where your expected to play in the mission thread only.